Document Detail

Differential block coding of bilevel images.
MedLine Citation:
PMID:  18285226     Owner:  NLM     Status:  In-Data-Review    
In this correspondence, a simple one-dimensional (1-D) differencing operation is applied to bilevel images prior to block coding to produce a sparse binary image that can be encoded efficiently using any of a number of well-known techniques. The difference image can be encoded more efficiently than the original bilevel image whenever the average run length of black pixels in the original image is greater than two. Compression is achieved because the correlation between adjacent pixels is reduced compared with the original image. The encoding/decoding operations are described and compression performance is presented for a set of standard bilevel images.
G R Robertson; M F Aburdene; R J Kozick
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  IEEE transactions on image processing : a publication of the IEEE Signal Processing Society     Volume:  5     ISSN:  1057-7149     ISO Abbreviation:  IEEE Trans Image Process     Publication Date:  1996  
Date Detail:
Created Date:  2008-02-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9886191     Medline TA:  IEEE Trans Image Process     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1368-70     Citation Subset:  -    
Harris RF Commun., Rochester, NY.
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